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flashing fuel level light on 2000 Europa G500

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Old Jan 28, 2019 | 11:38 PM
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2000 G500
flashing fuel level light on 2000 Europa G500

I have a flashing fuel light on my Gwagon. I changed the gas cap and its still happening. Any common sources of vacuum leaks I should be checking? Or a website that can outline where all the lines run so I can replace them?
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Old Jan 29, 2019 | 09:04 AM
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I would suggest-

pull codes using STAR
smoke test all vacuum lines under the hood
smoke test all vacuum lines at rear evap setup. Remove pass side rear wheel liner.

a common leak is at the Y hose (120 part number) in the rear evap setup Europa had installed.
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Old Jan 29, 2019 | 10:43 AM
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Originally Posted by paulunm
I would suggest-

pull codes using STAR
smoke test all vacuum lines under the hood
smoke test all vacuum lines at rear evap setup. Remove pass side rear wheel liner.

a common leak is at the Y hose (120 part number) in the rear evap setup Europa had installed.
Great. Thank you for the guidance.

I used my OBD2 scanner to pull the codes.
P0455 - large EVAP leak
P1453 - Manufacture Control Auxiliary emissions controls
P1400 - Manufacture Control Auxiliary emissions controls
P1420 - Manufacture Control Auxiliary emissions controls

Will STAR get me any different information?

I didn't realize there were Europe installed lines in the back. Thank you. I have thought the light commonly comes on when I pull in my driveway that is on a steep incline. Maybe with the fuel sloshing to the back it forces air out the leak and triggers the error. Any recommendations on a DIY smoke machine?
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Old Jan 29, 2019 | 12:02 PM
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Is anyone aware of a shop familiar with Europa's in orange county CA? I was going to try to DIY smoke test it this weekend. But I don't have a workshop manual on this truck to be sure where all the vacuum lines are.

Also, the mercedes fuel cap I bought as a replacement took some work to get to fit. I had to force it a bit to fit, but it turned easy once seated. I also inspected the original cap and the rubber gasket is in good shape. So while I don't think this is the problem, I'm throwing that out there. The new cap I bought is A 221 470 06 05. I believe it is the unit that fits the 2000 e class.
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Old Jan 29, 2019 | 11:27 PM
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I think a STAR should give better info on your last three codes. I believe a STAR can also tell you if the vacuum pressure is holding or not.
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Old Jan 30, 2019 | 10:25 AM
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ok. I see you are in Studio City. Any chance you know a shop familiar with Europas? I'd need to take it somewhere to have STAR diagnostics pulled.
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Old Jan 30, 2019 | 09:21 PM
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Pacific Motors in Santa Monica was the Europa warranty repair facility back when they were new. I have no experience with them, but they do seem to service Europas today.

I use MBZ in Tarzana for maintenance I can't do. I don't know if they are familiar with the Europa evap setup, but I think if you point them in the right direction they could smoke test that rear area. I highly recommend them, but I fixed my evap vacuum leak myself.

These are overly complex systems- and while I assume it is a vacuum leak due to a broken hose, it could be other things like the purge valve under the hood, or even the K40. That's where a SDS/STAR read could help.
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Old Jan 31, 2019 | 11:11 AM
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I haven't found a Europa specific shop in OC, so I am taking it to Mercedes Repair by Maurice. I may try and DIY smoke test it myself this weekend, but but figured I should employ a professional. Let me know if this is a bad idea...
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Old Jan 31, 2019 | 09:10 PM
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I have no idea how to smoke test, assume it requires a special machine that also creates pressure...

personally id have someone do it and read STAR codes.
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Old Jan 31, 2019 | 10:00 PM
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yeah. I've done about as much trouble shooting as I think I can myself. I like to tinker, but hunting like this can be so aggrivating. If you are interested in a diy smoker, here is what I was going to do...

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